Using Quarantine in Avast Security

The Quarantine in Avast Security and Avast Premium Security (previously Avast Security Pro) is an isolated space where you can safely store potentially dangerous files before taking further action. Files in Quarantine cannot run or access your system and data, so any malicious code contained within a file is unable to harm your Mac.

Refer to the sections in this article to learn how to manage files in Quarantine. To access Quarantine, click Quarantine on the main Avast Security screen.

Move files to Quarantine

Files are automatically moved to Quarantine in the following ways:

  • If an Avast Security scan detects a suspicious file and you confirm that the detected file should be moved to Quarantine.
  • If an active Avast Security shield detects a suspicious file.

When Avast Security detects a suspicious file during a scan, the detection appears in the scan report. To move a file to Quarantine, use the check box to select the file, then click Resolve Selected.

The file is now marked as Threat resolved.

Suspicious files can also be manually added to Quarantine by following the steps below:

  1. Click Quarantine on the main Avast Security screen.
  2. Click Add File....
  3. Locate the file on your Mac using the Finder window, then click Open.

The selected file is added to the list of files in Quarantine.

Submit files from Quarantine to the Avast Threat Labs

Any suspicious file, or file incorrectly identified as a threat, can be submitted directly from your Quarantine to Avast Threat Labs for further analysis. To submit a file for virus analysis:

  1. Click Quarantine on the main Avast Security screen.
  2. Hover your cursor over the file in Quarantine, then click More options (three dots), and select Send for analysis.
  3. Select either Potential malware or False positive, enter as much additional information as possible in the text box, then click Send. If you are submitting a False positive, specify the Program name, Program publisher, Program version number, and the reason why you believe the file or program should not have been detected.

A confirmation appears when the file is sent.

In most cases, Avast Threat Labs processes the files they receive without sending a response to you.

Restore files from Quarantine

When you restore a file from Quarantine, Avast Security moves the file back to its original location. Alternatively, you can restore the file to another location on your Mac. To restore a file from Quarantine:

  1. Select the relevant file.
  2. Click More options (three dots), then select Restore or Restore as.
  3. If you selected Restore as, use the Finder window to choose a new location for the file, then click Open.
  4. If prompted, use your Touch ID or enter your Administrator password, then click OK to confirm the restoration.

The file is restored and can now be opened from the selected location on your Mac.

Restoring files from Quarantine is only intended for critical situations, such as a system file being moved there. Restoring infected files puts your Mac at risk. We recommend you only perform this action if you have advanced skills and experience in handling infected files.

Delete files from Quarantine

To permanently delete a file from Quarantine:

  1. Select the relevant file.
  2. Click Delete.
  3. Click Delete to confirm.

The file is now deleted from your Mac.

  • Avast Security 14.x for Mac
  • Avast Premium Security 14.x for Mac
  • Apple macOS 11.x (Big Sur)
  • Apple macOS 10.15.x (Catalina)
  • Apple macOS 10.14.x (Mojave)
  • Apple macOS 10.13.x (High Sierra)
  • Apple macOS 10.12.x (Sierra)
  • Apple Mac OS X 10.11.x (El Capitan)
  • Apple Mac OS X 10.10.x (Yosemite)

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